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Hur biodiversitet på ekosystemnivå skiljer sig mellan olika habitat / How biodiversity at the ecosystem level differs between different habitats

Biodiversity can be described as the total variation of life forms, where diversity ranges from gene level up to the ecosystem level. The diversity can be calculated in a number of ways, and this study use one of these methods. In this study empirical food webs have been used and analyzed, where eleven characters are defined and used as parameters to calculate the Euclidean distances between food webs that describe the variation that may exist within classes of terrestrial, marine and freshwater habitats. The class who stood out and showed the greatest diversity at the ecosystem level was the marine food webs, which showed a high value of the average euclidean distance. The other networks were not as distinctive and the average of the euclidean distance in these classes was comparatively low.

Identiferoai:union.ndltd.org:UPSALLA1/oai:DiVA.org:liu-108429
Date January 2014
CreatorsGrafström, Amanda
PublisherLinköpings universitet, Institutionen för fysik, kemi och biologi, Linköpings universitet, Tekniska högskolan
Source SetsDiVA Archive at Upsalla University
LanguageSwedish
Detected LanguageEnglish
TypeStudent thesis, info:eu-repo/semantics/bachelorThesis, text
Formatapplication/pdf
Rightsinfo:eu-repo/semantics/openAccess

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